4fqi

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4fqi]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Influenza_A_virus_(A/Viet_Nam/1203/2004(H5N1)) Influenza A virus (A/Viet Nam/1203/2004(H5N1))]. The February 2014 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Broadly Neutralizing Antibodies'' by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2014_2 10.2210/rcsb_pdb/mom_2014_2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FQI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4FQI FirstGlance]. <br>
<table><tr><td colspan='2'>[[4fqi]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Influenza_A_virus_(A/Viet_Nam/1203/2004(H5N1)) Influenza A virus (A/Viet Nam/1203/2004(H5N1))]. The February 2014 RCSB PDB [https://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Broadly Neutralizing Antibodies'' by David Goodsell is [https://dx.doi.org/10.2210/rcsb_pdb/mom_2014_2 10.2210/rcsb_pdb/mom_2014_2]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FQI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4FQI FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.71&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4fqi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4fqi OCA], [https://pdbe.org/4fqi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4fqi RCSB], [https://www.ebi.ac.uk/pdbsum/4fqi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4fqi ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4fqi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4fqi OCA], [https://pdbe.org/4fqi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4fqi RCSB], [https://www.ebi.ac.uk/pdbsum/4fqi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4fqi ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[https://www.uniprot.org/uniprot/Q6DQ33_9INFA Q6DQ33_9INFA] Binds to sialic acid-containing receptors on the cell surface, bringing about the attachment of the virus particle to the cell. This attachment induces virion internalization of about two third of the virus particles through clathrin-dependent endocytosis and about one third through a clathrin- and caveolin-independent pathway. Plays a major role in the determination of host range restriction and virulence. Class I viral fusion protein. Responsible for penetration of the virus into the cell cytoplasm by mediating the fusion of the membrane of the endocytosed virus particle with the endosomal membrane. Low pH in endosomes induces an irreversible conformational change in HA2, releasing the fusion hydrophobic peptide. Several trimers are required to form a competent fusion pore (By similarity).[RuleBase:RU003324][SAAS:SAAS013829_004_327643]
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[https://www.uniprot.org/uniprot/Q6DQ33_I04A1 Q6DQ33_I04A1] Binds to sialic acid-containing receptors on the cell surface, bringing about the attachment of the virus particle to the cell. This attachment induces virion internalization of about two third of the virus particles through clathrin-dependent endocytosis and about one third through a clathrin- and caveolin-independent pathway. Plays a major role in the determination of host range restriction and virulence. Class I viral fusion protein. Responsible for penetration of the virus into the cell cytoplasm by mediating the fusion of the membrane of the endocytosed virus particle with the endosomal membrane. Low pH in endosomes induces an irreversible conformational change in HA2, releasing the fusion hydrophobic peptide. Several trimers are required to form a competent fusion pore.[RuleBase:RU003324]
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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==

Current revision

Crystal Structure of Fab CR9114 in Complex with a H5N1 influenza virus hemagglutinin

PDB ID 4fqi

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